74hct42d NXP Semiconductors, 74hct42d Datasheet - Page 4

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74hct42d

Manufacturer Part Number
74hct42d
Description
Bcd To Decimal Decoder 1-of-10
Manufacturer
NXP Semiconductors
Datasheet
Philips Semiconductors
December 1990
BCD to decimal decoder (1-of-10)
Fig.4 Functional diagram.
FUNCTION TABLE
Note
1. H = HIGH voltage level
A
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
3
L = LOW voltage level
A
L
L
L
L
H
H
H
H
L
L
L
L
H
H
H
H
INPUTS
2
Fig.5 Logic diagram.
A
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
1
A
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
4
0
Y
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
0
Y
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
1
Y
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
2
Y
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
3
OUTPUTS
Y
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
4
Y
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
5
74HC/HCT42
Y
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
Product specification
6
Y
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
7
Y
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
8
Y
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
9

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